| Roig, Albert | Andorra U17 / Andorra U19 |  Andorra |
| A. Olsen, André | Vikingur (FRO) / Faroe Islands U21 |  Färöer Inseln |
| Aafjes, Gerard | Zwolle (NED) |  Niederlande |
| Aaltonen, Patrick | Honka (FIN) / Finland U19 |  Finnland |
| Aarna, Signy | Estonia WOCO |  Estland |
| Abasiyev, Abdulla | İnter Bakı (AZE) / Azerbaijan U21 |  Aserbaidschan |
| Abati, Beatrice | Italy WU17 |  Italien |
| Abazi, Ardjana | Ada Velipoje (ALB) |  Albanien |
| Abazi, Pajtim | Sweden FUT |  Schweden |
| Abbeglen, Nico | Vaduz (LIE) / Switzerland U21 |  Schweiz |
| Abbing, Yentl Fay | Netherlands WU17 | Niederlande |
| Abdoun, Djamel | Olympiacos (GRE) |  Algerien |
| Abdulahi, Denis | Víkingur (ISL) / Finland U21 | Finnland |
| Abdülkadir Kayalı | Orduspor (TUR) / Turkey U21 |  Türkei |
| Abdullah, Rafidine | Marseille (FRA) / France U19 |  Frankreich |
| Abdullayev, Araz | Azerbaijan / Azerbaijan U21 | Aserbaidschan |
| Abeid, Mehdi | Newcastle (ENG) | Frankreich |
| Abily, Camille | Lyon (FRA) / France WOCO | Frankreich |
| Abisheva, Zuleira | Kazakhstan WU17 |  Kasachstan |
| Abraham, Tomas | Wacker (AUT) |  Tschechische Republik |
| Abraham, Hanna | Sweden FUT | Schweden |
| Abrashi, Amir | Grasshoppers (SUI) / Switzerland U21 | Schweiz |
| Abreu, Marcio | Krasnodar (RUS) |  Portugal |
| Abreu Garcia, Sara Patrícia | Portugal WOCO | Portugal |
| Abriel, Fabrice | Nice (FRA) | Frankreich |
| Abu, Mohammed | Man. City (ENG) |  Ghana |
| Abubakari, Mohammed | Åtvidaberg (SWE) | Ghana |
| Aburjania, Giorgi | Dila (GEO) / Georgia U19 |  Georgien |
| Abusova, Aynur | Azerbaijan WU19 | Aserbaidschan |
| Abwo, David Solomon | Zagłębie (POL) |  Nigeria |
| Accam, David | Helsingborg (SWE) | Ghana |
| Achahbar, Yassine | Antwerpen (BEL) / Belgium FUT |  Belgien |
| Achim, Alexandru | Ceahlăul (ROU) |  Rumänien |
| Achim, Sebastian | Petrolul (ROU) | Rumänien |
| Achrifi, Mustapha | Vålerenga (NOR) / Norway FUT |  Norwegen |
| Acosta, Noé | Levadiakos (GRE) |  Spanien |
| Acquah, Afriyle | Hoffenheim (GER) | Ghana |
| Adam, Charlie | Stoke (ENG) / Scotland |  Schottland |
| Ádám Simon | Haladás (HUN) / Hungary U21 |  Ungarn |
| Adamaki, Maria | PAOK (GRE) / Greece WOCO |  Griechenland |
| Adamavičiūtė, Faustė | Gintra (LTU) / Lithuania WU19 |  Litauen |
| Adams, Jamie | St Johnstone (SCO) | Schottland |
| Adem Koçak | Sivasspor (TUR) / Turkey FUT | Türkei |
| Ademi, Arijan | Croatia U21 |  Kroatien |
| Adeyemi, Tom | Norwich (ENG) |  England |
| Adjuleska, Hristina | ZFK Nase (MKD) / FYROM WU19 |  EJRM |
| Adolphsson, Andri | ÍA (ISL) / Iceland U21 |  Island |
| Adrián González | Rayo Vallecano (ESP) | Spanien |
| Adrien Silva | Sporting (POR) | Portugal |
| Adu, Enoch | Club Brugge (BEL) | Ghana |
